US2633681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting surface for wire
Assignee: Individual
•
Filing: 1951-10-08
•
Granted: 1953-04-07
•
Expires: 1971-10-08
Abstract
No abstract record available.
Inventors
- 👤 Sam Sam Women
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:19
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/18; B23D61/185; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10T; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190013417A
Cited
US1730756A
Cited
US2411867A
Cited
US2359920A
Cited
US2414226A
Cited
US2451383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |